QAE Dextran Resin

• Cat.No.: quaternary amine-001D
• Product Overview: QAE Dextran Resin is a weak cation exchanger based on the well documented and well proven Dextran base matrix. The resin is produced by introducing QAE functional groups onto the cross-linked dextran matrix.

Specification

• Tag: Non
• Cat.no: quaternary amine-001D
• Matrix: Cross-linked dextran
• Ion exchange capacity: 2.6–3.4 mmol/g dry powder
• Functional group: quaternary amine group: –O–CH2CHOHCH2OCH2CHOHCH2N+(CH3)3
• Protein: quaternary amine
• Average particle size: 40-120 μm
• Ligand: Diethyl-(2-hydroxy-propyl)aminoethyl
• Dynamic binding capacity: thyroglobulin (Mr 669 000): 1.5 mg/ml drained medium; HSA (Mr 68 000): 10 mg/ml drained medium; α-lactalbumin (Mr 14 300): 110 mg/ml drained medium
• Viscosity: Store swollen medium in the presence of a suitable bacteriostat, e.g. 20% ethanol or 0.01 M NaOH at 4–8°C. Sodium azide or thiomersal should not be used as bacteriostat.
• Chemical stability: Stable to all commonly used aqueous buffers and additives such as 8 M urea and 6 M guanidine hydrochloride.
• Physical stability: Negligible volume variation due to changes in pH or ionic strrength.
• pH working range: 2-12
• pH CIP range: 2-13
• Autoclavable: In 0.1 M sodium chloride at 121 °C for 30 min
• Warning: Avoid Oxidising agents and dextranase